Seiko Cal. 6640 - 481

This Solar model from 1982 features a 35mm PVD Black case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6be6cd89db98]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1982

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